package com.itheima.jdbc;



/*
 *  JDBC 快速入门
 * */

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

public class JDBCDemo2_DriverManger {

    public static void main(String[] args) throws Exception {
        // 注册驱动  新版可以去掉
//        Class.forName("com.mysql.jdbc.Driver");

        // 2.获取链接
        String url ="jdbc:mysql:///db1?useSSL=false&serverTimezone=UTC";
        String username ="root";
        String password ="dzl123";

        Connection conn = DriverManager.getConnection(url,username,password);

        //3.定义sql
        String sql ="update account set money = 2000 where id = 1";

        //4.获取执行sql的对象statement
        Statement stmt = conn.createStatement();

        // 5.执行sql
        int count = stmt.executeUpdate(sql);

        //6.处理结果
        System.out.println(count);

        //7.释放资源
        stmt.close();
        conn.close();

    }

}
